[INFO] crate culper 0.3.2 is already in cache [INFO] extracting crate culper 0.3.2 into work/ex/beta-1.38-1/sources/1.37.0/reg/culper/0.3.2 [INFO] extracting crate culper 0.3.2 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/culper/0.3.2 [INFO] validating manifest of culper-0.3.2 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of culper-0.3.2 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing culper-0.3.2 [INFO] finished frobbing culper-0.3.2 [INFO] frobbed toml for culper-0.3.2 written to work/ex/beta-1.38-1/sources/1.37.0/reg/culper/0.3.2/Cargo.toml [INFO] started frobbing culper-0.3.2 [INFO] finished frobbing culper-0.3.2 [INFO] frobbed toml for culper-0.3.2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/culper/0.3.2/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing culper-0.3.2 against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/culper/0.3.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 58fa1a3bf0f7199509b2a59cc69f696ed41be833bfaaaadc281563351067760c [INFO] running `"docker" "start" "-a" "58fa1a3bf0f7199509b2a59cc69f696ed41be833bfaaaadc281563351067760c"` [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling yansi v0.4.0 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling yansi v0.5.0 [INFO] [stderr] Compiling winapi v0.3.7 [INFO] [stderr] Compiling state v0.4.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling want v0.2.0 [INFO] [stderr] Compiling os_pipe v0.7.0 [INFO] [stderr] Compiling cookie v0.11.1 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling pear_codegen v0.1.2 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling toml v0.4.10 [INFO] [stderr] Compiling serde_yaml v0.7.5 [INFO] [stderr] error: failed to run custom build command for `pear_codegen v0.1.2` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/pear_codegen-9dc92d10f13ff5bd/build-script-build` (exit code: 101) [INFO] [stderr] --- stderr [INFO] [stderr] Error: Pear requires a nightly or dev version of Rust. [INFO] [stderr] Installed version is: 1.37.0 (2019-08-13). Minimum required: 1.31.0-nightly (2018-10-05). [INFO] [stderr] thread 'main' panicked at 'Aborting compilation due to incompatible compiler.', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.2/build.rs:31:13 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x561b42475eeb - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x561b42475eeb - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x561b42475eeb - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x561b42475eeb - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x561b42475eeb - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x561b42475bc7 - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x561b424765b0 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x561b4244a5c4 - std::panicking::begin_panic::h8226fa0426401663 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/panicking.rs:411 [INFO] [stderr] 8: 0x561b424486cb - build_script_build::main::hfed24e65577d0f91 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/pear_codegen-0.1.2/build.rs:31 [INFO] [stderr] 9: 0x561b424499d0 - std::rt::lang_start::{{closure}}::h7ba008b4ce5677e8 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64 [INFO] [stderr] 10: 0x561b42476003 - std::rt::lang_start_internal::{{closure}}::h447d8812e3ee306d [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 11: 0x561b42476003 - std::panicking::try::do_call::h4a61cb372364c745 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 12: 0x561b4247c2ba - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 13: 0x561b42476abd - std::panicking::try::hdf71f938885bca42 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 14: 0x561b42476abd - std::panic::catch_unwind::h7e85dbf162b1611a [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 15: 0x561b42476abd - std::rt::lang_start_internal::h1e06cc26b9fc25ea [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 16: 0x561b424499a9 - std::rt::lang_start::ha070c9b37035c877 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64 [INFO] [stderr] 17: 0x561b4244948a - main [INFO] [stderr] 18: 0x7f0deee8d2e1 - __libc_start_main [INFO] [stderr] 19: 0x561b4244800a - _start [INFO] [stderr] 20: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "58fa1a3bf0f7199509b2a59cc69f696ed41be833bfaaaadc281563351067760c"` [INFO] running `"docker" "rm" "-f" "58fa1a3bf0f7199509b2a59cc69f696ed41be833bfaaaadc281563351067760c"` [INFO] [stdout] 58fa1a3bf0f7199509b2a59cc69f696ed41be833bfaaaadc281563351067760c